Mystery Lake is a Lake located in Saint John, New Brunswick and has an elevation of 70 meters.

• Latitude: 45° 19' 12'' North   (decimal: 45.3199007)
• Longitude: 65° 59' 31'' West   (decimal: -65.9920458)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: New Brunswick
• Elevation: 70 meters
• Location: Saint John
• Atlas of Canada Locator Map: Mystery Lake
• GPS Coordinate Locator Map: Mystery Lake Lat/Long